Tetrasomy
四体性
🗣️ 情景例句
You must be hungry by now.
你现在一定饿了。
A sense of regret or resentment will not help us in any way.
后悔和怨恨不会给我们任何帮助。
You wouldn't have met her if it hadn't been for him.
如果不是他，你就见不到她。